CVE-2026-19038: MonomythDevelopment la-forge-mcp · Path Traversal
Affects MonomythDevelopment la-forge-mcpSource CVE Database V5
Public exploit available · CVSS 5.3 Medium · fixed in 1.1.1 : patch MonomythDevelopment la-forge-mcp as a priority.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.1.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 6 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| MonomythDevelopmentla-forge-mcp | Affected
| Fixed in– |
GitHubmonomythdevelopment/la-forge-mcppkg:github/monomythdevelopment/la-forge-mcpOther threats | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:monomythdevelopment:la-forge-mcp:*:*:*:*:*:*:*:*
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade to la-forge-mcp version 1.1.1, which contains the official fix for this vulnerability. The vendor has responded promptly and professionally with this patch. No additional mitigation is required once the upgrade is applied.
Description
CVE-2026-19038 is a path traversal vulnerability in MonomythDevelopment la-forge-mcp version 1.0.0. It affects the screenshotElement function in the src/index.ts file of the screenshot_element tool component. The vulnerability allows remote attackers to manipulate the output_name argument to perform path traversal. The issue is fixed in version 1.1.1.
References
- vuldb.com/vuln/386457 (opens in a new tab)
- vuldb.com/vuln/386457/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-19038 (opens in a new tab)
- vuldb.com/submit/863827 (opens in a new tab)
- github.com/gongyanyugyy/public_exp/issues/12 (opens in a new tab)
- github.com/MonomythDevelopment/la-forge-mcp/issues/1 (opens in a new tab)
- github.com/MonomythDevelopment/la-forge-mcp/commit/1102172c9adec4a619e241efd6bfb74f5b1f4332 (opens in a new tab)
- github.com/MonomythDevelopment/la-forge-mcp/releases/tag/v1.1.1 (opens in a new tab)
- github.com/MonomythDevelopment/la-forge-mcp/ (opens in a new tab)